Distribution: Occurring on both sides of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east to the Atlantic Coast.
Habitat: Roadsides, fields, thickets, forest edge, and other open, disturbed areas from low to middle elevations.
Conservation Status: Not of concern
Mostly annual, 3-7 dm. tall, with scanty foliage.
Leaves all cauline, entire, linear to lanceolate.
Heads several to numerous, small; involucre 2.5-5 mm. high, hairy and somewhat glandular; rays 50-100, pistillate, white, up to 6 mm. long and 0.4-1 mm. wide; disk corollas 1.5-2.6 mm. long, yellow; pappus of 10-15 very fragile bristles and some short, slender scales, the bristles wanting in the ray flowers.